--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-02-28  Bruno Haible  <bruno@clisp.org>
+
+	* build-aux/po/Makefile.in.in: Update from GNU gettext 0.17.
+	Reported by Loïc Minier <lool@dooz.org>.
+
 2009-02-27  Bruno Haible  <bruno@clisp.org>
 
 	* gnulib-tool (func_import): Make the sed expression used to create the

--- a/build-aux/po/Makefile.in.in
+++ b/build-aux/po/Makefile.in.in
@@ -1,5 +1,5 @@
 # Makefile for PO directory in any package using GNU gettext.
-# Copyright (C) 1995-1997, 2000-2006 by Ulrich Drepper <drepper@gnu.ai.mit.edu>
+# Copyright (C) 1995-1997, 2000-2007 by Ulrich Drepper <drepper@gnu.ai.mit.edu>
 #
 # This file can be copied and used freely without restrictions.  It can
 # be used in projects which are not available under the GNU General Public
@@ -8,7 +8,8 @@
 # Please note that the actual code of GNU gettext is covered by the GNU
 # General Public License and is *not* in the public domain.
 #
-# Origin: gettext-0.16
+# Origin: gettext-0.17
+GETTEXT_MACRO_VERSION = 0.17
 
 PACKAGE = @PACKAGE@
 VERSION = @VERSION@
@@ -95,11 +96,18 @@
 	mv t-$@ $@
 
 
-all: all-@USE_NLS@
+all: check-macro-version all-@USE_NLS@
 
 all-yes: stamp-po
 all-no:
 
+# Ensure that the gettext macros and this Makefile.in.in are in sync.
+check-macro-version:
+	@test "$(GETTEXT_MACRO_VERSION)" = "@GETTEXT_MACRO_VERSION@" \
+	  || { echo "*** error: gettext infrastructure mismatch: using a Makefile.in.in from gettext version $(GETTEXT_MACRO_VERSION) but the autoconf macros are from gettext version @GETTEXT_MACRO_VERSION@" 1>&2; \
+	       exit 1; \
+	     }
+
 # $(srcdir)/$(DOMAIN).pot is only created when needed. When xgettext finds no
 # internationalized messages, no $(srcdir)/$(DOMAIN).pot is created (because
 # we don't want to bother translators with empty POT files). We assume that
@@ -130,16 +138,34 @@
 # This target rebuilds $(DOMAIN).pot; it is an expensive operation.
 # Note that $(DOMAIN).pot is not touched if it doesn't need to be changed.
 $(DOMAIN).pot-update: $(POTFILES) $(srcdir)/POTFILES.in remove-potcdate.sed
+	if LC_ALL=C grep 'GNU @PACKAGE@' $(top_srcdir)/* 2>/dev/null | grep -v 'libtool:' >/dev/null; then \
+	  package_gnu='GNU '; \
+	else \
+	  package_gnu=''; \
+	fi; \
 	if test -n '$(MSGID_BUGS_ADDRESS)' || test '$(PACKAGE_BUGREPORT)' = '@'PACKAGE_BUGREPORT'@'; then \
 	  msgid_bugs_address='$(MSGID_BUGS_ADDRESS)'; \
 	else \
 	  msgid_bugs_address='$(PACKAGE_BUGREPORT)'; \
 	fi; \
-	$(XGETTEXT) --default-domain=$(DOMAIN) --directory=$(top_srcdir) \
-	  --add-comments=TRANSLATORS: $(XGETTEXT_OPTIONS) \
-	  --files-from=$(srcdir)/POTFILES.in \
-	  --copyright-holder='$(COPYRIGHT_HOLDER)' \
-	  --msgid-bugs-address="$$msgid_bugs_address"
+	case `$(XGETTEXT) --version | sed 1q | sed -e 's,^[^0-9]*,,'` in \
+	  '' | 0.[0-9] | 0.[0-9].* | 0.1[0-5] | 0.1[0-5].* | 0.16 | 0.16.[0-1]*) \
+	    $(XGETTEXT) --default-domain=$(DOMAIN) --directory=$(top_srcdir) \
+	      --add-comments=TRANSLATORS: $(XGETTEXT_OPTIONS) @XGETTEXT_EXTRA_OPTIONS@ \
+	      --files-from=$(srcdir)/POTFILES.in \
+	      --copyright-holder='$(COPYRIGHT_HOLDER)' \
+	      --msgid-bugs-address="$$msgid_bugs_address" \
+	    ;; \
+	  *) \
+	    $(XGETTEXT) --default-domain=$(DOMAIN) --directory=$(top_srcdir) \
+	      --add-comments=TRANSLATORS: $(XGETTEXT_OPTIONS) @XGETTEXT_EXTRA_OPTIONS@ \
+	      --files-from=$(srcdir)/POTFILES.in \
+	      --copyright-holder='$(COPYRIGHT_HOLDER)' \
+	      --package-name="$${package_gnu}@PACKAGE@" \
+	      --package-version='@VERSION@' \
+	      --msgid-bugs-address="$$msgid_bugs_address" \
+	    ;; \
+	esac
 	test ! -f $(DOMAIN).po || { \
 	  if test -f $(srcdir)/$(DOMAIN).pot; then \
 	    sed -f remove-potcdate.sed < $(srcdir)/$(DOMAIN).pot > $(DOMAIN).1po && \